On the congruence-subgroup problem for some anisotropic algebraic groups over number fields.
On the conjugacy problem for Carter subgroups.
On the Cuspidal Cohomology of the Bianchi Modular Groups.
On the decomposition numbers of the finite unitary groups in non-defining characteristic.
On the Desingularization of the Unipotent Variety.
On the exponential map of almost simple real algebraic groups.
On the exponential map of the Lie groups locally isomorphic to .
On the exponential representation of .
On the Finiteness of the Number of Unipotent Classes.
On the Generation of Dyadic Integral Orthogonal Groups.
On the Green polynomial of classical groups.
On the group .
On the Group of Norm 1 Elements in a Division Algebra.
On the group S L 2 over orders of arithmetic type.
On the homology of the special linear group ove a number field.
On the Homomorphisms of the Integral Linear Groups.
On the homotopy groups of some equivariant automorphism groups of spheres
On the inverse Kazhdan-Lusztig polynomials for affine Weyl groups.
On the isomorphisms of the projective orthogonal groups and their congruence subgroups.
On the Kneser-Tits problem.